GAS-FIRED VENTED
GAS-FIRED VENTED
GAS-FIRED VENTED
GAS-FIRED VENTED
GAS-FIRED VENTED
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WALL FURNACE
ALL FURNACE
ALL FURNACE
ALL FURNACE
ALL FURNACE
INSTALLATION AND
OPERATING INSTRUCTIONS
P/N 84502 / REV. 11/04
NATURAL
W251F, W351F, W501F
L.P.
W252F, W352F, W502F
GAS
W255F, W355F, W505F
GAS
W256F, W356F, W506F
WARNING: Operation of this furnace when not connected to a properly installed and maintained venting
system can result in Carbon Monoxide (C.O.) poisoning and possible death. For your safety, this furnace and
the venting system should be inspected at least annually by a qualified service person.
This appliance is equipped with a blocked flue switch designed to protect against a blocked flue condition.
The coating selected to provide longer life to the heat exchanger may smoke slightly upon initial firing. Please
provide adequate ventilation if this occurs.
This heater may be installed without recessing into stud space by using optional FSK (Free Standing Kit).
This unit is not approved for installation in mobile homes, greenhouses, or environments involving dusty, wet,
corrosive, or explosive conditions. Such conditions will invalidate the warranty and may create unsafe conditions.
THIS UNIT IS NOT TO BE INSTALLED IN MOBILE HOMES.
WARNING: If the information in this manual is not
followed exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
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Do not store or use gasoline or other flammable vapors and
liquids in the vicinity of this or any other appliance.
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WHAT TO DO IF YOU SMELL GAS:
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Do not try to light any appliance.
•••••
Do not touch any electrical switch; do not use any phone in
your building.
•••••
Immediately call your gas supplier from a neighbor’s phone.
Follow the gas supplier’s instructions.
•••••
If you cannot reach your gas supplier, call the fire department.
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INSTALLATION AND SERVICE MUST BE
PERFORMED BY A QUALIFIED INSTALLER,
SERVICE AGENCY OR THE GAS SUPPLIER.
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